Coombs, R., Saviotti, P., & Walsh, V. (1992). Technological change and company strategies: Economic and sociological perspectives. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Coombs, Rod, Paolo Saviotti, agus Vivien Walsh. Technological Change and Company Strategies: Economic and Sociological Perspectives. London: Harcourt Brace Jovanovich, 1992.
Lua MLA (9ú heag.)Coombs, Rod, et al. Technological Change and Company Strategies: Economic and Sociological Perspectives. Harcourt Brace Jovanovich, 1992.
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